CN115479627B - Liquid drop counting and flow measuring method, system, equipment and storage medium - Google Patents
Liquid drop counting and flow measuring method, system, equipment and storage medium Download PDFInfo
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- CN115479627B CN115479627B CN202210891809.2A CN202210891809A CN115479627B CN 115479627 B CN115479627 B CN 115479627B CN 202210891809 A CN202210891809 A CN 202210891809A CN 115479627 B CN115479627 B CN 115479627B
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- 239000007788 liquid Substances 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000001802 infusion Methods 0.000 claims abstract description 20
- 238000004448 titration Methods 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000000691 measurement method Methods 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 description 9
- 230000002596 correlated effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
- A61M5/1689—Drip counters
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- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a method, a system, equipment and a storage medium for counting liquid drops and measuring flow, which relate to the technical field of liquid drop measurement and comprise the following steps: a first control instruction is sent to a photoelectric emitter arranged on a drip tube of the infusion apparatus, and the first control instruction is used for indicating the photoelectric emitter to emit light to liquid drops falling in the drip tube; transmitting a second control instruction to a photoelectric receiver arranged on a drip tube of the infusion apparatus, wherein the second control instruction is used for indicating the photoelectric receiver to receive light rays refracted and/or scattered and/or reflected by the liquid drops; the light rays which are refracted and/or scattered and/or reflected by the liquid drops are converted into specific forms of electric signals, and the titration speed of the infusion apparatus and the liquid drop volume at specific temperature are obtained according to the relation between the preset electric signals and the liquid drop flow. The invention adopts the method of comprehensively measuring the quantity and the volume of the liquid drops, and simultaneously calculates the volume of the liquid drops through the comparison and calibration with the experiment, thereby obtaining the accurate flow of the liquid.
Description
Technical Field
The invention relates to the technical field of liquid drop measurement, in particular to a liquid drop counting and flow measuring method, a system, equipment and a storage medium.
Background
In the fields of fine chemistry, such as titration experiments of micro-liquid and intravenous transfusion of clinical medical treatment, accurate measurement and monitoring are required for the number and flow rate of liquid drops, for example, the delivery of anesthetic, and the delivery of micro-volume is required to be controlled accurately, so that accurate and real-time measurement data are required, which is difficult to achieve by the current liquid drop measurement method.
The current common liquid drop measuring method is to control the total quantity by visual inspection, and the finer measuring method is to adopt a microcomputer intravenous transfusion control device, and the principle is that two opposite photoelectric sensors are arranged on two side walls of a transfusion dropping tube to measure the quantity of liquid medicine passing through a detection window in a free falling mode. Because water drops are often blocked on the pipe wall, the photoelectric sensor is difficult to accurately count, and the total volume of the fluid cannot be measured. And direct measurement of the flow rate of the liquid can contaminate the droplets, which is not viable in some industries.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a liquid drop counting and flow measuring method, a system, equipment and a storage medium, which adopt a method for comprehensively measuring the number and the volume of liquid drops, and calculate the volume of the liquid drops through comparison and calibration with experiments so as to obtain the accurate flow of the liquid.
In order to achieve the above purpose, the present invention may be performed by the following technical scheme:
A method of drop counting and flow measurement, comprising:
Transmitting a first control instruction to a photoelectric emitter arranged on a drip tube, wherein the first control instruction is used for instructing the photoelectric emitter to emit light to a liquid drop falling in the drip tube;
Transmitting a second control instruction to a photoelectric receiver arranged on the liquid drop tube, wherein the second control instruction is used for instructing the photoelectric receiver to receive light refracted and/or scattered and/or reflected by the liquid drop;
And converting the light rays which are refracted and/or scattered and/or reflected by the liquid drops into specific forms of electric signals, and obtaining the titration speed of the infusion apparatus and the liquid drop volume at a specific temperature according to the relation between the preset electric signals and the liquid drop flow.
In the above-mentioned method for counting liquid drops and measuring flow, further, the electrical signal includes information of emission position and angle of light, and information of signal intensity, and the preset relationship between the electrical signal and the flow of liquid drops includes the relationship between the diameter of the horizontal section of the liquid drops and the information of emission position and angle of light, and the information of signal intensity.
In the above-mentioned method for counting liquid drops and measuring flow, further, the electrical signal includes information of receiving time of light, and information of signal intensity, and the preset relationship between the electrical signal and the flow of liquid drops includes the profile of the vertical section of the liquid drops, and the information of receiving time of the light, and the information of signal intensity.
The method for counting liquid drops and measuring flow rate as described above, further, the relationship between the preset electrical signal and the liquid drop flow rate further includes: the relation between the determined volume of liquid and the signal intensity information under different experimental conditions is utilized to correct the relation between the diameter of the horizontal section of the liquid drop and the emission position and angle information of the light ray and the signal intensity information, and correct the contour of the vertical section of the liquid drop and the receiving time information and the signal intensity information of the light ray.
The method for counting liquid drops and measuring flow rate as described above, further comprising: the drop speed, temperature, variety, viscosity, or color.
Furthermore, the present invention provides a drop counting and flow measuring system for an infusion set comprising:
The processor is used for generating a first control instruction and a second control instruction;
The photoelectric emitter is arranged on the drip tube and is used for receiving the first control instruction and emitting light rays to liquid drops falling in the drip tube;
A photoelectric receiver arranged on the liquid drop tube and used for receiving the second control instruction and receiving the light rays refracted and/or scattered and/or reflected by the liquid drop; wherein,
The processor converts the light rays refracted and/or scattered and/or reflected by the liquid drops into specific forms of electric signals, and obtains the titration speed of the infusion apparatus and the liquid drop volume at a specific temperature according to the relation between the preset electric signals and the liquid drop flow.
The drop counting and flow measuring system as described above, further comprising: a display for displaying the titration speed and drop volume at a particular temperature of the infusion set.
In addition, the invention also provides an electronic device, which comprises a processor and a memory, wherein at least one instruction, at least one section of program, a code set or an instruction set is stored in the memory, and the at least one instruction, the at least one section of program, the code set or the instruction set is loaded and executed by the processor to realize the liquid drop counting and flow measuring method.
The present invention further provides a computer readable storage medium having stored therein at least one instruction, at least one program, a set of codes, or a set of instructions, the at least one instruction, the at least one program, the set of codes, or the set of instructions being loaded and executed by a processor to implement the above-described drop counting and flow measuring methods.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the method of comprehensively measuring the quantity and the volume of the liquid drops, and simultaneously calculates the volume of the liquid drops through the comparison and calibration with the experiment, thereby obtaining the accurate flow of the liquid.
2. The measuring system can measure the volume of the liquid drop, and the volume calculating method is simple, accurate and quick in result, and convenient for control or adjustment of subsequent procedures. In addition, the measuring system has lower requirements on the sensor, so that the cost is lower, and the large-scale popularization is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly explain the drawings needed in the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of an implementation of a method of drop counting and flow measurement according to an embodiment of the present invention;
FIG. 2 is a top view of a drop counting and flow measurement system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a drop counting and flow measurement system according to an embodiment of the present invention;
FIG. 4 is a modular schematic diagram of a drop counting and flow measurement system according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an electronic device according to an embodiment of the present invention.
Wherein: 1. a photoemitter; 2. a photoelectric receiver; 3. a mounting ring; 4. a droplet; 5. a drip tube; 11. incident light; 12. scattering light; 13. refracting light; 14. light is transmitted.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples:
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. Furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Referring to fig. 1 to 5, the method for comprehensively measuring the quantity and the volume of the liquid drops 4 is adopted, and meanwhile, the volume of the liquid drops 4 is calculated through comparison and calibration with an experiment, so that the accurate flow rate of the liquid is obtained, and the method is simple and reliable.
Referring to fig. 1-3, a method of drop counting and flow measurement includes the steps of:
A first control instruction is sent to the photo emitter 1 mounted on the drip tube 5 of the infusion set, the first control instruction being used to instruct the photo emitter 1 to emit light to the drops 4 falling in the drip tube 5. In this embodiment, a first control instruction may be sent to the photoelectric emitter 1 of the photoelectric sensor, where the photoelectric emitter 1 emits light to the droplet 4 falling in the drip tube 5, and the incident light 11 emitted by the photoelectric emitter 1 is refracted, reflected, scattered, and the like by the droplet 4 to form a scattered light 12, a refracted light 13, a transmitted light 14, and a reflected light, so as to provide support for development of subsequent work.
A second control command is sent to the photo receiver 2 mounted on the drip tube 5 of the infusion set, the second control command being used to instruct the photo receiver 2 to receive light refracted and/or scattered and/or reflected by the drip 4. In this embodiment, a mounting ring 3 may be disposed on the circumference of the outer wall of the drip tube 5, and the photoelectric emitter 1 and the plurality of photoelectric receivers 2 are mounted on the mounting ring 3. Sending a second control instruction to a plurality of photoelectric receivers 2, wherein the photoelectric receivers 2 receive scattered light 12, refracted light 13, transmitted light 14 and reflected light formed by the liquid drops 4, so that reflection intensity distribution curves of different positions of the liquid drop tube 5 in the circumferential direction can be obtained, and the data are positively correlated with the diameters of the liquid drops 4 in the corresponding horizontal sections; it is also possible to obtain a time-dependent signal intensity profile of each photo receiver 2 at different moments in time, which data is also positively correlated with the profile of the drop 4 in vertical section.
The light refracted and/or scattered and/or reflected by the liquid drop 4 is converted into a specific form of electric signal, and the titration speed of the infusion apparatus and the volume of the liquid drop 4 at a specific temperature are obtained according to the relation between the preset electric signal and the flow rate of the liquid drop. In this embodiment, the plurality of photoelectric receivers 2 convert the received optical signals into electrical signals, and then transmit the electrical signals to a processor of a data processing unit, where the data processing unit is used for processing data transmitted and received by the photoelectric sensor, and the data processing unit may be a separate computer or a single chip integrated with the sensor. The processor converts the electrical signal into a digital signal and, by means of data processing, eliminates possibly present disturbance data, for example abnormal data whose discrete values are particularly large or which are not possible in principle. And then combining and correcting the obtained data and the data obtained by the calibration experiment, and finally accurately estimating the volume of the liquid drop 4 or the liquid flow in the whole titration process. Finally, the result is output through a display unit, wherein the display unit can be a single display or a digital display device integrated with the drip tube 5, the photoelectric emitter 1, the photoelectric receiver 2 and the data processing unit.
As an alternative implementation, in some embodiments, the electrical signal includes information of the emission position and angle of the light ray, and information of the signal intensity, and the preset relationship between the electrical signal and the droplet flow includes the relationship between the diameter of the horizontal section of the droplet 4 and the information of the emission position and angle of the light ray, and information of the signal intensity. Further, the electrical signal contains the light ray receiving time information and the signal intensity information, and the preset relationship between the electrical signal and the flow of the liquid drop 4 includes the profile of the vertical section of the liquid drop 4, the light ray receiving time information and the signal intensity information.
Specifically, in the experiment, the data received by the plurality of photoelectric receivers 2 includes the reflection intensity distribution curves at different positions in the circumferential direction of the drip tube 5, and the data is positively correlated with the diameter of the drip 4 at the corresponding horizontal section; also included is the time profile of the signal intensity of each photo-receiver 2 at different moments in time, which data is also positively correlated with the profile of the drop 4 in vertical cross section.
As an alternative implementation, in some embodiments, the relationship between the preset electrical signal and the droplet flow rate further includes: the relation between the determined volume of liquid and the signal intensity information under different experimental conditions is utilized to correct the relation between the diameter of the horizontal section of the liquid drop 4 and the emission position and angle information and the signal intensity information of the light ray, and correct the contour of the vertical section of the liquid drop 4 and the receiving time information and the signal intensity information of the light ray.
Specifically, the calibration experiment includes the following steps: (1) Titration measurement of different speeds and temperatures is carried out on the liquid with the determined volume, a photoelectric curve graph is formed by measuring the change curve of the reflection intensity of each liquid drop 4 with time through a photoelectric sensor, the photoelectric curve is stored in a data processing unit, and the average value of the total number of the liquid drops 4 is calculated, so that the volume of the liquid drops 4 at a certain specific titration speed and temperature is accurately obtained. (2) The system correlates the photoelectric curve with the volume of the drop 4 to form a calibration result, i.e. a specific photoelectric curve is formed for different speeds and temperatures. In the measuring method, the volume of the liquid drop 4 can be immediately obtained only according to a photoelectric curve because calibration data are already provided; furthermore, by correlating with the time of titration, the flow rate can be calculated, and thus the measurement method is real-time and accurate. Further, the different experimental conditions of the calibration experiment include: the drop speed, temperature, variety, viscosity, or color of the droplet 4.
Referring to fig. 2-4, the present invention also provides a drop counting and flow measurement system for an infusion set, comprising: the photoelectric transmitter 1 and the photoelectric receiver 2 are used for generating a first control instruction and a second control instruction; the photoelectric emitter 1 and the photoelectric receiver 2 are both arranged on a drip tube 5 of the infusion apparatus, and the photoelectric emitter 1 is used for receiving a first control instruction and emitting light to liquid drops 4 falling in the drip tube 5; the photoelectric receiver 2 is used for receiving the second control instruction and receiving the light refracted and/or scattered and/or reflected by the liquid drop 4; the processor converts light rays refracted and/or scattered and/or reflected by the liquid drop 4 into specific forms of electric signals, and obtains the titration speed of the infusion apparatus and the volume of the liquid drop 4 at a specific temperature according to the relation between the preset electric signals and the flow rate of the liquid drop 4.
In this embodiment, a mounting ring 3 is provided on the circumference of the outer wall of the drip tube 5, and a photoelectric emitter 1 and a plurality of photoelectric receivers 2 are mounted on the mounting ring 3. When the system works, the processor controls the photoelectric emitter 1 to emit light to the liquid drop 4 falling in the liquid drop tube 5, the incident light 11 is received by a plurality of photoelectric receivers 2 on the circumference of the outer wall of the liquid drop tube 5 through refraction, scattering and reflection of the liquid drop 4, the light is converted into an electric signal, and then the electric signal is processed by the data processing unit, so that the titration speed of the infusion apparatus and the volume of the liquid drop 4 at a specific temperature are finally obtained. The system can measure the volume of the liquid drop 4, and the calculation method of the volume is simple, the result is accurate and quick, and the control or adjustment of the subsequent process is convenient; meanwhile, the requirements on the sensor are low, the cost is low, and the large-scale popularization is facilitated. In addition, the system can be integrated into one part according to the requirements of application scenes or the requirements of users, and can be hooped on the infusion tube or split into a plurality of independent devices, so that the application range is wide.
As an alternative implementation, in some embodiments, the method further includes: a display for displaying the titration speed of the infusion set and the volume of the droplet 4 at a specific temperature. In this embodiment, the display may be a separate display, or may be a digital display integrated with the drip tube 5, the photoelectric emitter 1, the photoelectric receiver 2, and the data processing unit.
Referring to fig. 5, the present invention also provides an electronic device comprising a processor and a memory, wherein the memory stores at least one instruction, at least one program, code set, or instruction set, which is loaded and executed by the processor to implement the above-described drop 4 counting and flow measuring method.
The present invention further provides a computer readable storage medium having stored therein at least one instruction, at least one program, code set, or instruction set, the at least one instruction, at least one program, code set, or instruction set being loaded and executed by a processor to implement the drop 4 counting and flow measuring methods described above.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the essence of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A method of drop counting and flow measurement, comprising:
Transmitting a first control instruction to a photoelectric emitter arranged on a drip tube, wherein the first control instruction is used for instructing the photoelectric emitter to emit light to a liquid drop falling in the drip tube;
Transmitting a second control instruction to a photoelectric receiver arranged on the liquid drop tube, wherein the second control instruction is used for instructing the photoelectric receiver to receive light rays refracted, scattered and reflected by the liquid drop;
Converting the light rays refracted, scattered and reflected by the liquid drops into specific forms of electric signals, and obtaining the titration speed of the infusion apparatus and the volume of the liquid drops at a specific temperature according to the relation between the preset electric signals and the liquid drop flow, wherein the electric signals comprise the emission position and angle information of the light rays and the signal intensity information, and the relation between the preset electric signals and the liquid drop flow comprises the relation between the diameter of the horizontal section of the liquid drops, the emission position and angle information of the light rays and the signal intensity information; the electric signal comprises light receiving time information and signal intensity information, and the preset relation between the electric signal and the flow of the liquid drop comprises the outline of the vertical section of the liquid drop, the light receiving time information and the signal intensity information.
2. The drop counting and flow measuring method of claim 1, wherein the predetermined electrical signal versus drop flow relationship further comprises: the relation between the determined volume of liquid and the signal intensity information under different experimental conditions is utilized to correct the relation between the diameter of the horizontal section of the liquid drop and the emission position and angle information of the light ray and the signal intensity information, and correct the contour of the vertical section of the liquid drop and the receiving time information and the signal intensity information of the light ray.
3. The drop counting and flow measuring method of claim 2, wherein the different experimental conditions include: the drop speed, temperature, variety, viscosity or color of the drop.
4. A drop counting and flow measurement system for an infusion set, comprising:
The processor is used for generating a first control instruction and a second control instruction;
The photoelectric emitter is arranged on the drip tube and is used for receiving the first control instruction and emitting light rays to liquid drops falling in the drip tube;
The photoelectric receiver is arranged on the liquid drop tube and is used for receiving the second control instruction and receiving light rays refracted, scattered and reflected by the liquid drop; wherein,
The processor converts the light rays refracted, scattered and reflected by the liquid drops into specific forms of electric signals, and obtains the titration speed of the infusion apparatus and the liquid drop volume at a specific temperature according to the relation between the preset electric signals and the liquid drop flow; the preset relation between the electric signal and the flow of the liquid drop comprises the relation between the diameter of the horizontal section of the liquid drop, the emission position and the angle information of the light ray and the signal intensity information; the electric signal comprises light receiving time information and signal intensity information, and the preset relation between the electric signal and the flow of the liquid drop comprises the outline of the vertical section of the liquid drop, the light receiving time information and the signal intensity information.
5. The drop counting and flow measuring system of claim 4, further comprising: a display for displaying the titration speed and drop volume at a particular temperature of the infusion set.
6. An electronic device comprising a processor and a memory, wherein the memory stores at least one instruction, at least one program, and a set of codes, the at least one instruction, the at least one program, and the set of codes being loaded and executed by the processor to implement the drop counting and flow measurement method of any one of claims 1 to 3.
7. A computer readable storage medium having stored therein at least one instruction, at least one program, a set of codes, the at least one instruction, the at least one program, the set of codes being loaded and executed by a processor to implement the drop counting and flow measurement method of any one of claims 1 to 3.
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